Time is money : costing the impact of duration misperception in market prices

Ma, Tiejun and Tang, Leilei and McGroarty, Frank and Sung, Ming Chien and Johnson, Johnnie E V (2016) Time is money : costing the impact of duration misperception in market prices. European Journal of Operational Research, 255 (2). pp. 397-410. ISSN 0377-2217

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    Abstract

    We explore whether, and to what extent, traders in a real world financial market, where participants' judgements are reportedly well calibrated, are subject to duration misperception. To achieve this, we examine duration misperception in the horserace betting market. We develop a two-stage algorithm to predict horses' winning probabilities that account for a duration-related factor that is known to affect horses' winning prospects. The algorithm adapts survival analysis and combines it with the conditional logit model. Using a dataset of 4736 horseraces and the lifetime career statistics of the 53,295 horses running in these races, we demonstrate that prices fail to discount fully information related to duration since a horse's last win. We show that this failure is extremely costly, since a betting strategy based on the predictions arising from the model shows substantial profits (932.5 percent and 16.27 percent, with and without reinvestment of winnings, respectively). We discuss the important implications of duration neglect in the wider economy.

    ORCID iDs

    Ma, Tiejun, Tang, Leilei ORCID logoORCID: https://orcid.org/0000-0003-0422-9892, McGroarty, Frank, Sung, Ming Chien and Johnson, Johnnie E V;